Finding the Fourth Proportional to 2,556.54, 3,528.54 and 1,670.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.54 : 3,528.54 = 1,670.82 : x
2. Step 2: Convert to fraction form
   2,556.54/3,528.54 = 1,670.82/x
3. Step 3: Cross multiply
   2,556.54x = 3,528.54 × 1,670.82
4. Step 4: Simplify right side
   2,556.54x = 5,895,555.20
5. Step 5: Solve for x
   x = 5,895,555.20/2,556.54
6. Step 6: Final answer
   x = 2,306.07